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Therefore, the gasket materials become stiff, brittle and the resilience performance is reduced.
The deterioration of nonmetallic gasket materials is a physicochemical process under the condition of both heat and oxygen.
Zhu: Chinese Journal of Chemical Engineering, Vol. 15(2007), p. 837-841
Gu: Journal of Chemical Industry and Engineering, Vol. 57(2006), p. 2368-2371
Science Press, Beijing, (2001), p. 243

Laboratory experiment (1) Raw materials and mix proportion Limestone was applied in normal concrete, and basalt was applied in porous concrete.
Journal of Materials in Civil Engineering, Vol. 21, No. 4, pp. 186-191
Journal of Building Materials, Vol. 10, No. 4, pp. 473-477
Materials and structures, Vol. 33, No. 234, pp. 647-654
“Capillary Transport in RCC: Water-to-Cement Ratio, Strength, and Freeze-Thaw Resistance” Journal of Materials in Civil Engineerin, Vol. 23, No. 8. pp. 1181-1191

The diffusion action can usually be described by Fick’s law, but the basic assumptions for the law are as follows: the material is homogeneous; the ions don’t react with the material; diffusivity of ions is constant.
References [1] H.F.Yu, W.Sun: Journal of Southeast University( Natural Science Edition).
Vol.36(2006), p.68 [2] H.F.Yu, W.Sun: Journal of Building Materials.
Vol. 34(2004), p. 7(In Chinese) [5] X.Q.Meng: Engineering Journal of Wuhan University.
Vol.40(2007), p.57(In Chinese) [6] Amey S L, Johnson D A and Miltenberger M A: ACI structural Journal.

[3] Jun Nakahigashi and Hirofumi Yoshimura: Journal of Alloys and Compounds.
Olson: Materials Science and Engineering A.
Collings (Eds.): Materials Properties Handbook: Titanium Alloys, ASM, Materials Park, OH, (1990), p. 483
(Sam) Froes: Materials Science and Engineering A.
[9] Zhang Shaoqing: Materials Engineering.

Typical LHPs use metals as wick materials, which encounter problems such as high sintering temperature and oxidation.
In 1994, Dickey and Peterson [3] suggested that heat leakage can be prevented by using materials with lower heat transfer coefficients to make wicks.
In 2003, Hoang et al. [4] pointed out that, since polymers not only possess low heat transfer coefficients but also can lower the manufacturing cost and increase the structural strength of the wick, polymers can be potential wick materials.
Materials and Methods Wick Manufacturing PTFE particles used for flat-plate wick manufacturing were selected according to Wu et al. [8], as shown in Figure 2.
[5] Boo J H., Chung W B., “Thermal Performance of a Small-Scale Loop Heat Pipe with PP Wick,” 13th International Heat Pipe Conference, Shanghai, China, September, pp.21-25, 2004. [6] Nishikawara M., Nagano H., Kaya T., “Transient Thermo-Fluid Modeling of Loop Heat Pipes and Experimental Validation,” Journal of Thermophysics and Heat Transfer, Vol. 27, No. 4, pp.641–647, 2013 [7] Nishikawara M., Nagano H., “Parametric experiments on a miniature loop heat pipe with PTFE wicks,” Journal of Thermal Sciences, Vol. 85, pp.29-39, 2014

With the liquid-to-solid interalloying of dissimilar materials controlled well, a reaction zone is gained on the interface.
Composite components of vanadium alloy and stainless steel can fully exert the advantages of these two materials simultaneously.
Another of the main factors is attributed to the physical mismatch of the combination of materials and processes used.
Sun, R.Karppi, The application of electron beam welding for the joining of dissimilar mrtals: an overview, Journal of Materials Processing Technology. 59(1996) 257-267
Journal of Materials Science Letters. 20 (2001) 1909–1911 [7] J.

Sensitivity of Fatigue Crack Growth Data to Specimen Geometry Seitl Stanislav 1, a, Hutař Pavel1,b and Knésl Zdeněk1,c 1 Institute of Physics of Materials, Academy of Sciences of the Czech Republic Zizkova 22, 616 62 Brno, Czech Republic a seitl@ipm.cz, bhutar@ipm.cz, cknesl@ipm.cz Keywords: Fatigue crack, Paris law, threshold values.
C, m and Kth) obtained from different specimen geometries are not only properties of the materials but depends on the specimen geometry.
Experimental Details Materials and Specimen Detail The materials used in this investigation were steel 12050 and steel 15313, see Table 1.
Fatigue of metallic materials, Elsevier 1992 [4] Anderson, T.
Fracture Mechanics Fundamentals and Applications, Second Edition, 1995, CRC Press [5] Hutař, P., Seitl, S., Knésl, Z., Effect of constraint on fatigue crack propagation near threshold in medium carbon steel, Computational Materials Science, Vol. 37, 51-57, 2006 Dj.M.

Heat treatment on the material aims to change the properties of materials.
Goforth, Development of a submicrometer-grained microstructure in aluminum 6061 using equal channel angular extrusion, Journal of Materials Research Society 12(5) (1997) 1253 - 1261
King, Characteristics of aluminum 6061-t6 deformed to large plastic strains by machining, Materials Science and Engineering A 410–411 (2005) 364–368
Jayaganthan, Effect of annealing on microstructure and mechanical properties of al6061 alloy processed by cryorolling, Materials Science and Technology 29(1) (2013) 76-82
Segal, Equal channel angular extrusion: from macro-mechanics to structure formation, Materials Science and Engineering A 271 (1999) 322–333.

High Temperature Resistance Effect of SrO/ (SrO+CaO) in Alkali-Free Boro-Aluminosilicate Glasses Ying-liang Tian 1a, Guo Xian-long1b, Man-kang Zhu 1, Shi-bing Sun1c, Yong-li Li1, Wen-tai Liu 2, Jack Y Ding 2 1College of Materials Science and Engineering, Beijing University of Technology, Beijing 100124 2HeibeiDongxu Investment Group Co.
The raw materials include: quartz sand, alumina, boric acid, strontium carbonate, calcium carbonateand tin oxide.
Cornejo, Glass substrates for liquid crystal displays .International Journal of Applied Glass Science, 1(2010) 87-103
Applied Surface Science, 255(2009)7835-7840
[13] Darwish H; Gomaa MM, Effect of compositional changes on the structure and properties of alkali-alumino borosilicate glasses, Journal of Materials Science-Materials In Electronics, 17 (2006) 35-42

EDM is a rapidly developing new technology, which uses the high-energy and local pulse discharge between electrode material and work piece material that should be hardened to make electrode material melt into the surface of substrate material quickly, meantime, it could make the surface of substrate material undergo the process of re-alloying through the physical and chemical metallurgical process between electrode material and work piece material on the condition of local high temperature to form the strengthened coating on the surface of wok piece.
Fig 1 Mesh of the mold 1.2 Thermal parameters of the material The work piece adopted in this paper is 2A12 aluminum alloy, the density of which does not vary greatly with the changing temperature.
Material Engineering, 2010, 1: 28-31
Journal of Qingdao University of Science and Technology: Nature Science, 2010, 31(1): 76-79
Journal of An hui University of Science and Technology: Nature Science, 2008, 28(1): 16-19.